LM385-2.5V TELCOM TelCom Semiconductor, Inc, LM385-2.5V Datasheet
LM385-2.5V
Manufacturer Part Number
LM385-2.5V
Description
LM385-2.5VLOW POWER, BANDGAP VOLTAGE REFERENCES
Manufacturer
TELCOM TelCom Semiconductor, Inc
Datasheet
1.LM385-2.5V.pdf
(4 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM385-2.5V
Manufacturer:
MICREL
Quantity:
67 000
FEATURES
APPLICATIONS
LOW POWER, BANDGAP VOLTAGE REFERENCES
ORDERING INFORMATION
LM285BEOA-1.2
LM285BEOA-2.5
LM285BEZB-1.2
LM285BEZB-2.5
LM285EOA-1.2
LM285EOA-2.5
LM285EZB-1.2
LM285EZB-2.5
LM385BCOA-1.2
LM385BCOA-2.5
LM385BCZB-1.2
LM385BCZB-2.5
LM385COA-1.2
LM385COA-2.5
LM385CZB-1.2
LM385CZB-2.5
查询LM285-1.2V供应商
Output Tolerance ....................................... 1% or 2%
Output Voltage Option
Wide Operating Current Range
Temperature Coefficient .......................... 30ppm/ C
Dynamic Impedance .......................................... 0.6
TO-92-3 Plastic Package
8-Pin Plastic Narrow Body (SOIC) Package
ADC and DAC Reference
Current Source Generation
Threshold Detectors
Power Supplies
Multi-meters
Part No.
TELCOM SEMICONDUCTOR, INC.
LM285/385-1.2V ........................................ 1.235V
LM285/385-2.5V ............................................ 2.5V
LM285/385-1.2V ........................... 15 A to 20mA
LM285/385-2.5V ........................... 20 A to 20mA
8-Pin SOIC
8-Pin SOIC
TO-92-3
TO-92-3
8-Pin SOIC
8-Pin SOIC
TO-92-3
TO-92-3
8-Pin SOIC
8-Pin SOIC
TO-92-3
TO-92-3
8-Pin SOIC
8-Pin SOIC
TO-92-3
TO-92-3
Package
– 40 C to +85 C
– 40 C to +85 C
– 40 C to +85 C
– 40 C to +85 C
– 40 C to +85 C
– 40 C to +85 C
– 40 C to +85 C
– 40 C to +85 C
Temperature
0 C to +70 C
0 C to +70 C
0 C to +70 C
0 C to +70 C
0 C to +70 C
0 C to +70 C
0 C to +70 C
0 C to +70 C
Range
GENERAL DESCRIPTION
2.5V (2.5V output) are bipolar, two-terminal, bandgap volt-
age references that offer precision performance without
premium price. These devices do not require thin-film re-
sistors, greatly lowering manufacturing complexity and cost.
to 20mA operating current range make these voltage refer-
ences especially attractive for multimeter, data acquisition
and telecommunications applications.
PIN CONFIGURATIONS
The LM285/385-1.2V (1.235V output) and LM285/385-
A 30ppm/ C output temperature coefficient and a 15 A
LM285/285B EZB-1.2
LM285/285B EZB-2.5
LM385/385B CZB-1.2
LM385/385B CZB-2.5
TO-92-3 PLASTIC
3
(BOTTOM VIEW)
2
NC = NO INTERNAL CONNECTION
1
Voltage
1.2
2.5
1.2
2.5
1.2
2.5
1.2
2.5
1.2
2.5
1.2
2.5
1.2
2.5
1.2
2.5
ANODE
LM285/285B-1.2V
LM285/285B-2.5V
LM385/385B-1.2V
LM385/385B-2.5V
NC
NC
NC
LM285/285B EOA-2.5
LM385/385B COA-1.2
LM385/385B COA-2.5
1
2
3
4
LM285/285B E0A-1.2
8-PIN PLASTIC SOIC
SURFACE MOUNT
Tolerance
LM285/B/385/B-9 11/6/96
1.5%
1.5%
1.5%
1.5%
1%
1%
2%
3%
2%
3%
1%
1%
2%
3%
2%
3%
8
7
6
5
CATHODE
NC
NC
NC
3-9
1
2
3
4
5
6
7
8
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LM385-2.5V Summary of contents
Page 1
... PIN CONFIGURATIONS TO-92-3 PLASTIC (BOTTOM VIEW ANODE LM285/285B EZB-1.2 LM285/285B EZB-2.5 LM385/385B CZB-1.2 LM385/385B CZB-2 INTERNAL CONNECTION Temperature Range Voltage – +85 C 1.2 – +85 C 2.5 – +85 C 1.2 – ...
Page 2
... Reverse Dynamic Impedance Average Temperature Coefficient 10 A (BR) S Long Term Stability Symbol Parameter V Reverse Breakdown Voltage (BR)R LM285B-2.5/LM385B-2 (Note 1) A low high LM285-2.5V/LM385-2. (Note 1) A low high I Minimum Operating Current RMIN (Note 1) A ...
Page 3
... RESPONSE TIME TEST CIRCUIT 36 k INPUT LM285/385-1.2V LM285/385-2.5V TELCOM SEMICONDUCTOR, INC. Battery Powered 1.25V Reference +9V 360 10V OUT 1.25V LM285/385-1.2V OUTPUT LM285/285B-1.2V LM285/285B-2.5V LM385/385B-1.2V LM385/385B-2.5V Precision Current Source LM285/385-1.2V +15V 1 µ – 6 TC911 SET = 1.25V I OUT ...
Page 4
... PRELIMINARY INFORMATION LM285/285B-1.2V LM285/285B-2.5V LM385/385B-1.2V LM385/385B-2.5V TYPICAL CHARACTERISTICS LM285/385-1.2V: Output Voltage vs Reverse Current 1000 +25 C 100 10 1 0.1 0 0.25 0.5 0.75 1.0 1.25 OUTPUT VOLTAGE (V) LM285/385-1.2V Response Time 10 +25 C 5.0 INPUT 0 1.5 1.0 OUTPUT 0 200 400 600 TIME ( sec) LM285/385-2.5V: Forward Voltage vs Forward Current 1 +25 C 1.0 0.8 0.6 0.4 0.2 0 0.01 0 ...